UDA1344TSDB NXP Semiconductors, UDA1344TSDB Datasheet - Page 18

• Manufacturer Part Number: UDA1344TSDB
• Description: Audio CODECs AUDIO CODEC W/DSP
• Manufacturer: NXP Semiconductors

Specifications of UDA1344TSDB

• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Conversion Rate: 55 KSPs
• Interface Type: Serial (I2S), L3
• Resolution: 20 bit
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-28
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 2 ADC, 2 DAC
• Snr: 100 dB
• Supply Current: 9 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: UDA1344TS/N2,512

NXP Semiconductors
AC CHARACTERISTICS
V
specified.
Notes
1. The input voltage can be up to 2 V (RMS) when the current through the ADC input pin is limited to approximately
2. The input voltage to the ADC is inversely proportional with the supply voltage.
3. The output voltage of the UDA1344TS differs from the output voltage of the UDA1340M.
4. The output of the DAC scales proportionally with the supply voltage.
2001 Jun 29
Analog-to-digital converter
V
ΔV
(THD + N)/S
S/N
α
PSRR
Digital-to-analog converter
V
ΔV
(THD + N)/S
S/N
α
PSRR
DDD
cs
cs
i(rms)
o(rms)
Low-voltage low-power stereo audio
CODEC with DSP features
SYMBOL
i
o
1 mA by using a series resistor.
= V
DDA
= V
input voltage (RMS value)
unbalance between channels
total harmonic distortion-plus-noise to signal ratio at 0 dB
signal-to-noise ratio
channel separation
power supply rejection ratio
output voltage (RMS value)
unbalance between channels
total harmonic distortion-plus-noise to signal ratio at 0 dB
signal-to-noise ratio
channel separation
power supply rejection ratio
DDO
= 3.0 V; f
i
= 1 kHz; T
PARAMETER
amb
= 25 °C; R
L
= 5 kΩ; all voltages referenced to ground; unless otherwise
18
at −60 dB; A-weighted
V
f
V
at −60 dB; A-weighted
code = 0; A-weighted
f
V
notes 1 and 2
notes 3 and 4
ripple
ripple
i
ripple
ripple
= 0 V; A-weighted
CONDITIONS
= 1 kHz;
= 1 kHz;
= 300 mV (p-p)
= 300 mV (p-p)
1.0
0.1
−85
−35
95
100
30
900
0.1
−90
−37
100
100
50
TYP.
UDA1344TS
Product specification
−
−
−80
−30
−
−
−
−
−
−85
−
−
−
−
MAX.
V
dB
dB
dB
dB
dB
dB
mV
dB
dB
dB
dB
dB
dB
UNIT